Home / 49,579.08-74,398.16-17,991.60

Finding the Fourth Proportional to 49,579.08, 74,398.16 and 17,991.60

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Solution

The fourth proportional to 49,579.08, 74,398.16 and 17,991.60 is: 26,998.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,579.08 : 74,398.16 = 17,991.60 : x
  2. Step 2: Convert to fraction form
    49,579.08/74,398.16 = 17,991.60/x
  3. Step 3: Cross multiply
    49,579.08x = 74,398.16 × 17,991.60
  4. Step 4: Simplify right side
    49,579.08x = 1,338,542,119.93
  5. Step 5: Solve for x
    x = 1,338,542,119.93/49,579.08
  6. Step 6: Final answer
    x = 26,998.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.